1. CPC Sections
  2. CPC Section C
  3. CPC Class C12
  4. CPC Subclass C12C
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Version: 2023.08
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CPC
COOPERATIVE PATENT CLASSIFICATION
​
C12C
BEER; PREPARATION OF BEER BY FERMENTATION (ageing or ripening by storing C12H 1/22; methods for reducing the alcohol content after fermentation C12H 3/00; methods for increasing the alcohol content after fermentation C12H 6/00; venting devices for casks, barrels or the like C12L 9/00); PREPARATION OF MALT FOR MAKING BEER; PREPARATION OF HOPS FOR MAKING BEER [2020-05]
WARNING

  • In this subclass non-limiting references (in the sense of paragraph 39 of the Guide to the IPC) may still be displayed in the scheme.
C12C 1/00
Preparation of malt [2013-01]
C12C 1/02
.
Pretreatment of grains, e.g. washing, steeping [2013-01]
C12C 1/027
.
Germinating [2013-01]
C12C 1/0275
. .
{on single or multi-stage floors} [2013-01]
C12C 1/033
. .
in boxes or drums [2013-01]
C12C 1/047
. .
Influencing the germination by chemical or physical means [2013-01]
C12C 1/053
. . .
by irradiation or electric {or wave energy} treatment [2013-01]
C12C 1/067
.
Drying [2013-01]
C12C 1/073
. .
Processes or apparatus specially adapted to save or recover energy [2013-01]
C12C 1/10
. .
Drying on fixed supports [2013-01]
C12C 1/12
. .
Drying on moving supports [2013-01]
C12C 1/125
.
Continuous or semi-continuous processes for steeping, germinating or drying [2013-01]
C12C 1/13
. .
with vertical transport of the grains [2013-01]
C12C 1/135
. .
with horizontal transport of the grains [2013-01]
C12C 1/15
.
Grain or malt turning, charging or discharging apparatus [2013-01]
C12C 1/16
.
After-treatment of malt, e.g. malt cleaning, detachment of the germ [2013-01]
C12C 1/18
.
Preparation of malt extract or of special kinds of malt, e.g. caramel, black malt (malt products for use as foodstuffs A23L) [2013-01]
C12C 3/00
Treatment of hops [2013-01]
C12C 3/02
.
Drying [2013-01]
C12C 3/04
.
Conserving; Storing; Packing [2013-01]
C12C 3/06
. .
Powder or pellets from hops [2013-01]
C12C 3/08
. .
Solvent extracts from hops [2013-01]
C12C 3/085
. . .
{Extraction of hops with beerwort} [2013-01]
C12C 3/10
. . .
using carbon dioxide [2013-01]
C12C 3/12
.
Isomerised products from hops [2013-01]
C12C 5/00
Other raw materials for the preparation of beer [2013-01]
C12C 5/002
.
{Brewing water} [2013-01]
C12C 5/004
.
{Enzymes} [2013-01]
C12C 5/006
. .
{Beta-glucanase or functionally equivalent enzymes} [2013-01]
C12C 5/008
.
{Hop surrogates} [2013-01]
C12C 5/02
.
Additives for beer [2013-01]
C12C 5/023
. .
{enhancing the vitamin content} [2013-01]
C12C 5/026
. .
{Beer flavouring preparations} [2013-01]
C12C 5/04
. .
Colouring additives [2013-01]
C12C 7/00
Preparation of wort (malt extract C12C 1/18) [2013-01]
C12C 7/01
.
Pretreatment of malt, e.g. malt grinding [2013-01]
C12C 7/04
.
Preparation or treatment of the mash [2013-01]
C12C 7/042
. .
{Mixing malt with water} [2013-01]
C12C 7/044
. .
{Cooling the mash (C12C 7/067 takes precedence)} [2013-01]
C12C 7/047
. .
part of the mash being unmalted cereal mash [2013-01]
C12C 7/053
. .
part of the mash being non-cereal material [2013-01]
C12C 7/06
. .
Mashing apparatus [2013-01]
C12C 7/062
. . .
{with a horizontal stirrer shaft} [2013-01]
C12C 7/065
. . .
{with a vertical stirrer shaft} [2013-01]
C12C 7/067
. . .
{with cooling means} [2013-01]
C12C 7/14
.
Clarifying wort (Läuterung) [2013-01]
C12C 7/16
. .
by straining [2013-01]
C12C 7/161
. . .
{in a tub with a perforated false bottom} [2013-01]
C12C 7/163
. . .
{with transport of the mash by or relative to a filtering surface} [2013-01]
C12C 7/165
. . .
in mash filters [2013-01]
C12C 7/17
. . .
in lautertuns {, e.g. in a tub with perforated false bottom} [2017-08]
C12C 7/175
. .
by centrifuging [2013-01]
C12C 7/20
.
Boiling the beerwort (brew kettles C12C 13/02) [2013-01]
C12C 7/205
. .
{Boiling with hops} [2013-01]
C12C 7/22
. . .
Processes or apparatus specially adapted to save or recover energy [2013-01]
C12C 7/24
.
Clarifying beerwort between hop boiling and cooling [2013-01]
C12C 7/26
.
Cooling beerwort; Clarifying beerwort during or after the cooling [2013-01]
C12C 7/28
.
After-treatment {, e.g. sterilisation (C12C 11/00 takes precedence)} [2017-08]
C12C 7/282
. .
{Concentration or beerwort} [2013-01]
C12C 7/285
. .
{Drying beerwort} [2013-01]
C12C 7/287
. .
{Treating beerwort with hopextract (C12C 7/205 takes precedence)} [2013-01]
C12C 9/00
{Methods specially adapted for the making of beerwort} [2016-11]
C12C 9/02
.
{Beerwort treatment; Boiling with hops; Hop extraction} [2016-11]
C12C 9/025
. .
{Preparation of hop extracts (extraction with beerwort C12C 9/02); Isomerisation of these extracts; Treatment of beerwort with these extracts; Surrogates of the hop} [2013-01]
C12C 11/00
Fermentation processes for beer (preparation of wine C12G 1/00) [2013-01]
C12C 11/003
.
{Fermentation of beerwort} [2013-01]
C12C 11/006
. .
{Fermentation tanks therefor} [2013-01]
C12C 11/02
.
Pitching yeast [2013-01]
C12C 11/06
.
Acidifying the wort [2013-01]
C12C 11/07
.
Continuous fermentation [2013-01]
C12C 11/075
. .
{Bioreactors for continuous fermentation} [2013-01]
C12C 11/09
.
Fermentation with immobilised yeast [2013-01]
C12C 11/11
.
Post fermentation treatments, e.g. carbonation, or concentration (methods for reducing the alcohol content after fermentation C12H 3/00; methods for increasing the alcohol content after fermentation C12H 6/00) [2019-02]
C12C 12/00
Processes specially adapted for making special kinds of beer [2013-01]
C12C 12/002
.
{using special microorganisms} [2017-08]
C12C 12/004
. .
{Genetically modified microorganisms} [2017-08]
C12C 12/006
. .
{Yeasts (processes for seeding C12C 11/02)} [2013-01]
C12C 12/008
. .
{Lactic acid bacteria} [2013-01]
C12C 12/02
.
Beer with low calorie content (C12C 12/04 takes precedence) [2013-01]
C12C 12/04
.
Beer with low alcohol content (methods for reducing the alcohol content after fermentation C12H 3/00) [2021-08]
C12C 13/00
Brewing devices, not covered by a single group of C12C 1/00 - C12C 12/04 [2016-05]
C12C 13/02
.
Brew kettles {(C12C 11/075 takes precedence)} [2013-01]
C12C 13/025
. .
{heated with steam} [2013-01]
C12C 13/06
. .
heated with fire [2013-01]
C12C 13/08
. .
with internal heating elements [2013-01]
C12C 13/10
.
Home brew equipment [2013-01]
C12C 2200/00
Special features [2013-01]
C12C 2200/01
.
Use of specific genetic variants of barley or other sources of fermentable carbohydrates for beer brewing [2013-01]
C12C 2200/05
.
Use of genetically modified microorganisms in the preparation of beer [2013-01]
C12C 2200/31
.
Clarifying wort before or during or after cooling [2015-10]
C12C 2200/35
.
Dissolving, reconstituting or diluting concentrated or dried wort [2013-01]